3 files changed, 43 insertions, 7 deletions
diff --git a/tests/Makefile b/tests/Makefile
index 04d7c1f..b964db5 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -5,18 +5,26 @@ SRCDIR = src
 OBJDIR = obj
 BINDIR = bin
 
-NAME = $(BINDIR)/test
+NAME_PRELOAD = $(BINDIR)/test_preload
+NAME_SHOW = $(BINDIR)/test_show
 
-SRCS = main.c
+SRCS = test_preload.c
 
 OBJS = $(SRCS:%.c=$(OBJDIR)/%.o)
 
 MALLOC_LIB = ../lib/libft_malloc.so
+MALLOC_INC = ../inc
 
-$(NAME): $(OBJS) | $(BINDIR)
+$(NAME_PRELOAD): $(OBJS) | $(BINDIR)
 	$(CC) $(CFLAGS) -o $@ $(OBJS)
 
-all: $(NAME)
+$(NAME_SHOW): $(OBJDIR)/test_show.o $(MALLOC_LIB) | $(BINDIR)
+	$(CC) $(CFLAGS) -o $@ $(OBJDIR)/test_show.o -L ../lib -lft_malloc -Wl,-rpath,'$$ORIGIN/../../lib'
+
+$(OBJDIR)/test_show.o: $(SRCDIR)/test_show.c | $(OBJDIR)
+	$(CC) $(CFLAGS) -I $(MALLOC_INC) -c $< -o $@
+
+all: $(NAME_PRELOAD) $(NAME_SHOW)
 
 $(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR)
 	$(CC) $(CFLAGS) -c $< -o $@
@@ -27,12 +35,15 @@ $(OBJDIR):
 $(BINDIR):
 	mkdir -p $(BINDIR)
 
-test: $(NAME)
+test: $(NAME_PRELOAD) $(NAME_SHOW)
 	@echo "=== system malloc ==="
-	@$(NAME)
+	@$(NAME_PRELOAD)
 	@echo ""
 	@echo "=== ft_malloc ==="
-	@LD_PRELOAD=$(MALLOC_LIB) $(NAME)
+	@LD_PRELOAD=$(MALLOC_LIB) $(NAME_PRELOAD)
+	@echo ""
+	@echo "=== show_alloc_mem ==="
+	@$(NAME_SHOW)
 
 clean:
 	rm -rf $(OBJDIR) $(BINDIR)
diff --git a/tests/src/main.c b/tests/src/test_preload.c
index 0ded605..0ded605 100644
--- a/tests/src/main.c
+++ b/tests/src/test_preload.c
diff --git a/tests/src/test_show.c b/tests/src/test_show.c
new file mode 100644
index 0000000..e5e7dca
--- /dev/null
+++ b/tests/src/test_show.c
@@ -0,0 +1,25 @@
+/**
+ * @file   test_show.c
+ * @brief  Test show_alloc_mem — links directly against libft_malloc.
+ */
+
+#include "malloc.h"
+
+int
+main (void)
+{
+  void *a = malloc (42);
+  void *b = malloc (100);
+  void *c = malloc (500);
+  void *d = malloc (2000);
+  (void)a;
+  (void)b;
+  (void)c;
+  (void)d;
+  show_alloc_mem ();
+  free (a);
+  free (b);
+  free (c);
+  free (d);
+  return (0);
+}